US4773169A - Machine for continuous centrifugation of fabrics - Google Patents

Machine for continuous centrifugation of fabrics Download PDF

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Publication number
US4773169A
US4773169A US07/078,689 US7868987A US4773169A US 4773169 A US4773169 A US 4773169A US 7868987 A US7868987 A US 7868987A US 4773169 A US4773169 A US 4773169A
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machine
pair
pulley
central block
rollers
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Expired - Fee Related
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US07/078,689
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English (en)
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Jaime A. Vinas
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Individual
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D06B15/10—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by use of centrifugal force

Definitions

  • the present invention relates to a machine for continuous centrifugation of fabrics, particularly for the removal of scouring, dye or other liquors.
  • the commonly known fabric centrifugation apparatus and devices have several drawbacks. In the first place, they usually operate on a batch basis, i.e., the fabric must be charged in the centrifuge, the operation must be carried out during the desirable period of time and the machine must subsequently be unloaded. This is a slow, laborious job. Furthermore, centrifuges usually twists the fabric, this being usually harmful and also requires a further operation to remove the twists that have occurred.
  • a hauling means formed by a first pair of mutually parallelly disposed end rollers; a first endless band adapted to run continuously around each roller of said pair, having a lower inoperative run and an upper operative run; a second pair of end rollers disposed parallel to each other and also to the rollers of the first pair; and a second endless band adapted to run continuously around each roller of said second pair, having an upper inoperative run and a lower operative run, such that said operative runs of each band are facing one another;
  • a central block formed by: two equal coaxial suspended pulleys, each having at least three peripheral grooves and an eccentric circular aperture; and connecting means for rigidly connecting both pulleys together;
  • guide means for said bands comprising: two compound discs, each housed in one of said eccentric circular apertures and having a generally rectangular window; a bearing between each disc and the corresponding suspended pulley; two U-shaped sections extending between both compound discs, corresponding to opposite sides of said windows;
  • support means for said central block which, for each suspended pulley, comprise a set of three support pulleys, situated generally regularly around the corresponding suspended pulley, there being at least one transmission belt between each support pulley and the corresponding suspended pulley;
  • a machine of the above described nature allows a one end of a piece of fabric to be inserted in the machine in the space formed between the operative runs of each band and cross therethrough, hauled by said bands, until it exits therefrom in a continuous way. While the piece is moving through the machine, it is centrifuged therein, by the orbiting effect of the central block; said orbiting causes a corresponding cylindrical orbital movement of eccentric apertures and of the compound discs housed therein and therefore of the portion of fabric crossing through the central block and at the same time an orbital movement along a conical path of the fabric portions located between the central block and the inlet and delivery points of the fabric. Said movements, as stated above, provide for effective centrifuging without twisting the fabric piece, which is retained always between the bands.
  • FIG. 1 is an elevation view of the machine according to the invention, with part of the outer frame broken away to reveal the central block; further portions of the machine have been omitted to avoid making the drawing excessively long;
  • FIG. 2 is a cross section view on a larger scale, on the line II--II of FIG. 1;
  • FIG. 3 is a diagrammatic longitudinal section of the machine on a smaller scale than the previous figure, showing only one half thereof, the omitted half being generally symmetrical to the one shown; the motor is not in section and the drive means of the hauling means have been omitted;
  • FIG. 4 is a plan view of part of the band
  • FIG. 5 is a perspective view of one of the complex discs and of the U-shaped sections, shown in cross section, extending between the two compound discs.
  • the machine for continuous centrifugation of fabrics is particularly appropriate for the removal of scouring, dye and other liquors.
  • a hauling means formed by a roller 2 and a roller 4 located at opposite ends of the machine and mounted on generally parallel shafts 6 and 8.
  • a first endless band 10 extends continuously between said first pair of rollers and partially wraps them, forming a lower inoperative run 12 and an upper operative run 14.
  • rollers 16 and 18 there is a second pair of rollers 16 and 18, the respective shafts of which 20 and 22 are mutually parallel and also parallel to the shafts 6 and 8 of the first pair of rollers.
  • the rollers 16 and 18 are mounted respectively above rollers 2 and 4 of the first pair of rollers; at least one of the shafts 20, 22 is fixed so as to be adapted to be moved a small distance vertically, there being spring means 23, not shown in detail, urging the corresponding roller 16 and/or 18 in the closest possible engagement with the corresponding roller of the first pair.
  • a second endless band 24 extends continuously between the second pair of rollers 16, 18 and partly wraps them, determining an inoperative top run 26 and an operative lower run 18, such that the operative runs 14 and 18 of each band are mutually facing and spaced a short distance apart.
  • Drive means 29 for the said rollers cause them to rotate and this rotation causes movement of the bands 10 and 24; this movement is effected in such a way that the said operative runs 14 and 28 move generally at the same speed.
  • Guide rollers 30 suitably engage the inoperative runs 12 and 26 of the bands.
  • Said drive means 29 are conventional.
  • One possible solution is the use of a motor, not shown, driving a pinion transmitting the movement thereof synchronously to the rollers 2 and 16 by way of transmission chains 33 shown schematically in FIG. 1.
  • the shafts 6, 20, 8 and 22 are supported in bench frames 32, it being contemplated that there are means, not shown, provided for the shafts 20 and 22 to allow for a slight vertical movement of the shafts 20 and 22, as mentioned above.
  • the bands 10 and 24 are formed preferably by two or more narrow longitudinal strips 34 to which there are attached by pins or the like a plurality of cross members 36 which are disposed towards the exterior of the band.
  • central block 38 formed generally by two suspended pulleys 40 which are identical and coaxial and which are rigidly connected together by connecting means 42 having a plurality of longitudinal passages 44.
  • Each of the pulleys is provided with at least three peripheral grooves, adapted to house belts to be described hereinafter.
  • each pulley is provided with a circular aperture eccentrically disposed relative to the axis of the pulley and the respective apertures of each pulley are aligned parallel with the axis of the pulley.
  • each suspended pulley 40 there is a compound disc 50, formed of two superimposed portions. Between the compound disc 50 and the perimeter of the aperture 48 there is a bearing 52 allowing rotation or relative angular movement between the disc and the pulley.
  • the disc comprises the said two superimposed portions to make it possible to mount the disc and the bearing 52 in the aperture 48.
  • the disc has crossing therethrough four rods 54, holding the said two portions together and also serving to mount springs 56 to be described hereinafter.
  • Each compound disc 50 is also provided with a generally rectangular window 58 and between both windows there extend two U-shaped sections 60 and each section is engaged in opposite sides of the windows 58, precisely in the sides oriented perpendicularly to the bands 10 and 24.
  • Said U-shaped sections are connected together by cross ties 61 and the unit is mounted to the inner surface of the compound disc 50 by circular sectors 63 which are attached to the compound disc 50 by means of the said rods 54 through orifices 65.
  • an antifriction material 62 generally a plastics material such as nylon, teflon or the like.
  • said covering 62 should be provided with two grooves 64, each of which is adapted to receive one end of the cross members 36.
  • the central block 38 is suspended by way of support means formed, for each suspended pulley, by a set of at least three support pulleys 65 and 66, situated generally regularly around the corresponding suspended pulley 40 and duly attached, directly or indirectly, to the frame 68.
  • the lower pulleys 65 are attached to brackets 69 of the frame.
  • the thus suspended central block 38 is adapted to rotate around the axis thereof and preferably the corresponding motor 82 is arranged coaxially with a pulley 66 of each set of pulleys, whereby these pulleys 66 have the dual support and drive function.
  • Each of the rods 54 of the compound disc 50 support one end of a spring 56, the other end of which is attached to the frame 68 in corresponding anchor points 81.
  • the aperture 48 also obviously orbits and, therefore, the said compound discs 50; nevertheless, the effect of the springs 56 is that during the orbiting movement thereof all the positions of the compound discs 50 are always mutually parallel and therefore the windows 58 and sections 60 always retain the same parallel orientation relative to the bands 10 and 24.
  • This constant orientation of the compound discs 50 causes a relative rotation between them and the corresponding suspended pulley, which rotation is facilitated by the bearing 52.
  • the frame 68 has a generally arch shaped section and surrounds the machine over a substantial length thereof.
  • rollers 2 and 16 rotate as indicated by the arrows 82, i.e. in opposite directions. With the said rotations, there is inserted in the nip 84 between the rollers 2 and 16 the end of a fabric piece (not shown), which is hauled in by the bands 10 and 24 along the whole length of the operative runs 14 and 28 of the bands, until it exits from the opposite end of the machine, i.e. the end corresponding to the rollers 4 and 18.
  • the central block With the fabric filling the whole space between the two bands 10 and 24, the central block is caused to orbit, whereby the portion of the fabric piece comprised between the U-shaped sections 60 follows the same cylindrical orbital movement, while the portions of the fabric comprised between the central block and the ends of the machine, orbit around a cone, all simultaneously with a forward feed of the fabric piece between the runs 14 and 28 of the bands 10 and 24.
  • the speed of orbital movement is adjustable and may reach up to 2,500 r.p.m. and the forward feed speed is about 20 meters per minute.
  • the orbital movement causes centrifugation of the fabric piece, so that the moisture level of 100 to 120% at the fabric infeed is reduced to 30 to 50% moisture level at the delivery end.
  • the system is continuous and among other advantages it has the one of not twisting or winding the fabric, whereby the latter is not liable to deterioration during its passage through the machine.
  • the free lateral space between the bands provides for drainage of the liquors, which also flow through the free space between two consecutive cross members 36; said space is the only one allowing for passage of the liquors during the passage of the piece through the central block 38, since the side space is closed by the sections 60.
  • the apertures 44 of the connecting means 42 also allow for drainage of the liquors from the central block and the frame 68 prevents the centrifugally ejected liquors from dispersing undesirably; said liquors are collected at the bottom 86 of the frame, from where they may be appropriately channelled away.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
US07/078,689 1986-07-30 1987-07-27 Machine for continuous centrifugation of fabrics Expired - Fee Related US4773169A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES8600709 1986-07-30
ES8600709A ES2000791A6 (es) 1986-07-30 1986-07-30 Maquina para la centrifugacion en continuo de tejidos

Publications (1)

Publication Number Publication Date
US4773169A true US4773169A (en) 1988-09-27

Family

ID=8247309

Family Applications (1)

Application Number Title Priority Date Filing Date
US07/078,689 Expired - Fee Related US4773169A (en) 1986-07-30 1987-07-27 Machine for continuous centrifugation of fabrics

Country Status (7)

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US (1) US4773169A (de)
EP (1) EP0255462B1 (de)
JP (1) JPS6366368A (de)
AT (1) ATE53406T1 (de)
DE (1) DE3763086D1 (de)
ES (1) ES2000791A6 (de)
PT (1) PT85440B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220010704A1 (en) * 2018-12-12 2022-01-13 Cummins Inc. Fluid drain system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1229441B (it) * 1989-06-05 1991-08-08 Mcs Off Mecc Spa Procedimento ed apparecchiatura per la disidratazione in continuo di tessuti in corda.
CN107794676A (zh) * 2017-10-25 2018-03-13 繁昌县清新水洗有限责任公司 一种染色烘干一体装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413729A (en) * 1967-01-24 1968-12-03 Goedecker B J Maschf Centrifugal laundry drier
US3908410A (en) * 1972-05-16 1975-09-30 Iws Nominee Co Ltd Apparatus for the treatment of textile fibers and fabrics
US4098004A (en) * 1975-10-03 1978-07-04 Joseph Rousselet Apparatus for the dehydration (drying) of textile materials

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2544816A (en) * 1947-03-04 1951-03-13 American Viscose Corp Continuous system of extracting
FR2114350A5 (en) * 1970-11-11 1972-06-30 Horauf Michael Maschinen Continuous dewatering of yarn - by treatment of single thread (bundle)
GB1510000A (en) * 1974-07-01 1978-05-10 Moreinis Eisen D Process and apparatus for the treatment of textiles in form of hanks or webs with liquid or pastes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413729A (en) * 1967-01-24 1968-12-03 Goedecker B J Maschf Centrifugal laundry drier
US3908410A (en) * 1972-05-16 1975-09-30 Iws Nominee Co Ltd Apparatus for the treatment of textile fibers and fabrics
US4098004A (en) * 1975-10-03 1978-07-04 Joseph Rousselet Apparatus for the dehydration (drying) of textile materials

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220010704A1 (en) * 2018-12-12 2022-01-13 Cummins Inc. Fluid drain system
US11788445B2 (en) * 2018-12-12 2023-10-17 Cummins Inc. Fluid drain system
US20240125257A1 (en) * 2018-12-12 2024-04-18 Cummins Inc. Fluid drain system
US12044154B2 (en) * 2018-12-12 2024-07-23 Cummins Inc. Fluid drain system

Also Published As

Publication number Publication date
DE3763086D1 (de) 1990-07-12
EP0255462A1 (de) 1988-02-03
PT85440A (pt) 1988-07-29
ATE53406T1 (de) 1990-06-15
JPS6366368A (ja) 1988-03-25
ES2000791A6 (es) 1988-03-16
EP0255462B1 (de) 1990-06-06
PT85440B (pt) 1993-07-30

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